Document feeder for copying machine



FIG. 1 is a front and top-right perspective view of a document feeder for copying machine showing my new design;

FIG. 2 is a rear and bottom-left perspective view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a front elevational view thereof. 

The ornamental design for document feeder for copying machine, as shown and described. 